Drilldown: Patents

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Patents > CPCs: CPC B64B1/58 & Number of claims: 3-4

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LTA (28) · balloon (10) · frame (10) · None (6) · navigation (6) · envelope (4) · airship (4) · gas (4) · construction (4) · ballonet (3) · compartments (3) · lift (2) · safety (2) · fabric (2) · propulsion (2) · balloons (2) · collapsible (2)
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Showing below up to 36 results in range #1 to #36.

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